<template>
  <div>
    <!--面包屑-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--列表视图-->
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <!--搜索与添加区域-->
        <el-col :span="6">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!--用户列表区域-->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓 名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!--作用域插槽-->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-tooltip effect="dark" content="修改" placement="top-start" :enterable="false">
              <el-button type="primary" icon="el-icon-edit" circle @click="showEditDialog(scope.row.id)"></el-button>
            </el-tooltip>
            <el-tooltip effect="dark" content="删除" placement="top-start" :enterable="false">
              <el-button type="danger" icon="el-icon-delete" circle @click="removeUserById(scope.row.id)"></el-button>
            </el-tooltip>
            <el-tooltip effect="dark" content="分配角色" placement="top-start" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" circle @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--分页-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 3, 4]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
    <!--添加用户对话框-->
    <el-dialog title="提示" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!--内容主体区域-->
       <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
              <el-input v-model="addForm.username"></el-input>
          </el-form-item>
         <el-form-item label="密码" prop="password">
           <el-input v-model="addForm.password"></el-input>
         </el-form-item>
         <el-form-item label="邮箱" prop="email">
           <el-input v-model="addForm.email"></el-input>
         </el-form-item>
         <el-form-item label="手机" prop="mobile">
           <el-input v-model="addForm.mobile"></el-input>
         </el-form-item>
        </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
      <el-button @click="addDialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
    </el-dialog>
    <!--修改用户的对话框-->
    <el-dialog title="修改用户对话框" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <!--内容主体区域-->
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!--角色分配对话框-->
    <el-dialog title="提示" :visible.sync="setRoleDialogVisible" width="50%" @close="saveRoleClose">
      <p>当前的用户：{{userInfo.username}}</p>
      <p>当前的角色：{{userInfo.role_name}}</p>
      <p>分配新角色：
        <el-select v-model="selectedRoleId" placeholder="请选择">
          <el-option v-for="item in roleList" :key="item.id" :label="item.roleName" :value="item.id">
          </el-option>
        </el-select>
      </p>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
     </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    data(){
      //验证邮箱的规则
      var checkEmail = (rule,value,cb) => {
        const regEmail= /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/
        if(regEmail.test(value)){
          //合法的邮箱
           return cb()
        }
        cb(new Error('请输入合法的邮箱'))
      }
      //验证手机号码
      var checkMobile = (rule,value,cb)=>{
        const regMobile = /^[1][3,4,5,7,8][0-9]{9}$/;
        if(regMobile.test(value)){
          //合法的手机号
          return cb()
        }
        cb(new Error('请输入合法的手机号'))
      }

      return{
        //获取用户列表的参数对象
        queryInfo:{
          query:'',
          //当前页数
          pagenum:1,
          //当前每页显示多少条
          pagesize:2
        },
        userList:[],
        total:0,
        /*控制添加用户对话框的显示与隐藏*/
        addDialogVisible:false,
        /*用户表单数据*/
        addForm:{
          username:'',
          password:'',
          email:'',
          mobile:''
        },
        /*添加表达的验证规则对象*/
        addFormRules:{
          username:[
            {required:true,message:'请输入用户名',trigger:'blur'},{min:3,max:10,message:'用户名长度在3-10个字符之间',trigger:'blur'}
          ],
          password:[
            {required:true,message:'请输入密码',trigger:'blur'},{min:6,max:15,message:'密码长度在3-10个字符之间',trigger:'blur'}
          ],
          email:[
            {required:true,message:'请输入邮箱',trigger:'blur'},{validator: checkEmail, trigger: 'blur'}
          ],
          mobile:[
            {required:true,message:'请输入手机号',trigger:'blur'},{validator: checkMobile, trigger: 'blur'}
          ],
        },
        editDialogVisible:false,
        editForm:{},
        editFormRules:{
          email:[
            {required:true,message:'请输入邮箱',trigger:'blur'},{validator: checkEmail, trigger: 'blur'}
          ],
          mobile:[
            {required:true,message:'请输入手机号',trigger:'blur'},{validator: checkMobile, trigger: 'blur'}
          ],
        },
        /*分配角色对话*/
        setRoleDialogVisible:false,
        userInfo:{},
        /*角色列表*/
        roleList:[],
        /*已选中的角色id值*/
        selectedRoleId:''
      }
    },
    created () {
      this.getUserList()
    },
    methods:{
      async getUserList(){
        const {data:res} = await this.$http.get('users',
          {params:this.queryInfo })
        console.log(res)
        if(res.meta.status !==200){
          return this.$message.error('获取列表失败')
        }
        this.userList = res.data.users;
        this.total = res.data.total;
      },
      //监听pagasize改变的时间
      handleSizeChange(newSize){
         console.log(newSize)
         this.queryInfo.pagesize = newSize
         this.getUserList()
      },
      //监听页码值改变
      handleCurrentChange(newPage){
        console.log(newPage)
        this.queryInfo.pagenum = newPage
        this.getUserList()
      },
      async userStateChanged(userState){
        console.log(userState)
        const {data:res}= await this.$http.put(`users/${userState.id}/state/${userState.mg_state}`)
        if(res.meta.status !==200){
          /*失败的话取反*/
          userState.mg_state = !userState.mg_state
          return this.$message.error('更新状态失败')
        }
        this.$message.success('更新状态成功')
      },
      //监听添加用户对话框的关闭，重置
      addDialogClosed(){
        console.log(this.$refs.addFormRef)
        this.$refs.addFormRef.resetFields()
      },
      //点击按钮，添加用户并校验
      addUser(){
        this.$refs.addFormRef.validate(async valid=>{
          if(!valid) return
          //可以发起添加用户的网络请求
          const {data:res} = await this.$http.post('users',this.addForm);
          if(res.meta.status !==201){
            this.$message.error('添加用户失败')
          }
          this.$message.success('添加用户成功')
          //隐藏添加用户的对话框
          this.addDialogVisible = false
          //重新获取用户的列表数据
          this.getUserList()
        })
      },
      //修改用户按钮的对话框
      async showEditDialog(id){
        const {data:res} = await this.$http('users/'+id)
        console.log(id)
        if (res.meta.status !==200){
          return this.$message.error('查询用户失败')
        }
        this.editForm = res.data
        this.editDialogVisible = true
      },
      //重置修改用户表达
      editDialogClosed(){
        this.$refs.editFormRef.resetFields()
      },
      //修改用户确定预验证
      editUserInfo(){
         this.$refs.editFormRef.validate(async valid=>{
           if(!valid) return
           const {data:res} = await this.$http.put('users/' + this.editForm.id,{
             email:this.editForm.email,mobile:this.editForm.mobile
           })
           if(res.meta.status !==200){
             this.$message.error('更新用户失败')
           }

           this.editDialogVisible = false
           //重新获取用户的列表数据
           this.getUserList()
           this.$message.success('更新用户成功')
         })
      },
      //根据id删除对应的用户信息
      async removeUserById(id){
        const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)

        // 如果用户确认删除，则返回值为字符串 confirm
        // 如果用户取消了删除，则返回值为字符串 cancel
        console.log(confirmResult);
        if(confirmResult !== 'confirm'){
            return this.$message.info('已取消删除')
        }
        const {data:res} = await this.$http.delete('users/' + id)
        if(res.meta.status !== 200){
          return this.$message.error('删除用户失败')
        }
        this.$message.success('删除用户成功!')
        this.getUserList()
      },
      /*分配角色*/
      async setRole(role){
        this.setRoleDialogVisible = true
        this.userInfo = role
        const {data:res} = await this.$http.get('roles')
        this.roleList = res.data
      },
      /*分配角色保存*/
      async saveRoleInfo(){
         if(!this.selectedRoleId){
           this.$message.error('请选择设置的角色!')
           return
         }
         const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
         console.log(res)
        if(res.meta.status !== 200){
          this.$message.error('设置角色失败!')
          return
        }
         this.getUserList()
         this.$message.success('设置角色成功!')
         this.setRoleDialogVisible = false
      },
      /*设置角色清空*/
      saveRoleClose(){
        this.selectedRoleId = ''
        this.userInfo = ''
      }
    }
  }
</script>

<style lang="less" scoped>

</style>
